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Amathrendi eMakethe yePolyols
Isidingo esandayo se-polyurethane eqinile futhi eguquguqukayo kumongo wezindawo ezihlukene zokufaka isicelo ezifana nokulala, i-cushioning, okhaphethi, ukwenziwa kwezihlalo zemoto, nezinye izinto zangaphakathi ziqhuba imakethe.Ama-Polyols asebenza embonini yezimoto, ngenxa yezici ezifana nezindleko eziphansi, ...Funda kabanzi -
Ukusetshenziswa kwe-polyurethane
I-1.I-Foam iyindlela enkulu kunazo zonke yokusetshenziswa kwezinto ze-polyurethane, futhi ingahlukaniswa ngokuqhubekayo ibe izinhlobo ezimbili: amapulasitiki e-foam aqinile kanye namaplastiki e-foam athambile.Amapulasitiki enziwe ngegwebu aqinile ane-insulation enhle kakhulu yokushisa kanye namandla emishini, futhi asetshenziswa ikakhulukazi emasimini okwakhiwa kanye namaketanga abandayo.Ithambile f...Funda kabanzi -
INDLELA YOKUFAKA IMIKHIQIZO YOKUVIMBELA AMANZI YE-POLYURETHANE
1. Izinto zokwakha.Ngaphezu komkhiqizo wokuvimbela amanzi we-polyurethane, udinga idivayisi yokuxuba kanye ne-roller, ibhulashi noma isifutho esingenamoya.2. I-substrate ne-primer.Qinisekisa ukuthi indawo ekhonkolo ihlanzekile futhi yomile.Ezindaweni ezimuncayo, kunconywa ijazi eliqala ukuvala izimbotshana futhi kuzinzise indawo engaphezulu...Funda kabanzi -
Ukuhlukaniswa kwemikhiqizo ye-PU
Imikhiqizo ye-polyurethane ikakhulukazi ihlanganisa lezi zinhlobo ezilandelayo: amapulasitiki egwebu, ama-elastomers, amaplastiki efayibha, imicu, izinsalela zezicathulo zesikhumba, okokunamathela, okunamathelisa kanye nama-sealant, okuphakathi kwawo amapulasitiki egwebu athatha ingxenye enkulu kakhulu.i-polyurethane foaming ipulasitiki I-polyurethane foam ihlukaniswe yaba igwebu eliqinile...Funda kabanzi -
I-SHANDONG PO INDUSTRY ITHUTHUKISWA
I-Shandong yisifundazwe samakhemikhali esihlonishwa isikhathi eChina.Ngemva kokuba inani lomkhiqizo weShandong lamakhemikhali lidlule i-Jiangsu okokuqala ngqa, uShandong wayekleliswe endaweni yokuqala njengomholi wemboni yamakhemikhali ezweni iminyaka engu-28 ilandelana.Imikhiqizo yamakhemikhali kazwelonke ebalulekile ihlinzekwa endaweni, yakha ...Funda kabanzi -
FPF UMYALELO
I-Flexible polyurethane foam (FPF) i-polymer ekhiqizwa kusukela ekuphenduleni kwama-polyols nama-isocyanates, inqubo yamakhemikhali eyasungulwa ngo-1937. I-FPF ibonakala ngesakhiwo samaselula esivumela izinga elithile lokucindezelwa kanye nokuqina okunikeza umphumela wokugoba.Ngenxa yalesi sici ...Funda kabanzi -
UBUCHWEPHESHE BEFOAM KA-TAICEND ABAHOLE EMHLABENI KA-HYDROPJILIC POLYURETHANE
I-TAICEND ehamba phambili emhlabeni ye-Hydrophilic Polyurethane Foam Technology iyisisetshenziswa esinelungelo lobunikazi, esikhethekile esibonise ukuphepha okuphezulu nokusebenza ngempumelelo emkhakheni wezokwelapha.Iveza izinzuzo eziningi ezicacile eziqhathaniswa nezinye izinto, njenge-gauze, ne-OPsite, evame ukusetshenziselwa ukwenza ...Funda kabanzi -
Ama-Polyols
Izinto ezinobuningi bamaqembu e-hydroxyl zibizwa ngokuthi ama-spolyols.Angase futhi aqukathe i-ester, i-ether, i-amide, i-acrylic, insimbi, i-metalloid nokunye ukusebenza, kanye namaqembu e-hydroxyl.Ama-polyester polyols (PEP) aqukethe ama-ester nama-hydroxylic amaqembu kumgogodla owodwa.Ngokuvamile ziyi-p...Funda kabanzi -
Isibikezelo semakethe ye-PO yasekhaya
Izolo, imakethe ye-po yasekhaya iqhubekile nokukhuphuka, kanti ukunikezwa okukhulu eShandong kwafinyelela ku-9500-9600 cny/ton.Ngokombono wemakethe yempahla eluhlaza, i-propylene iphenduka ibuthakathaka, i-chlorine ewuketshezi ihlala izinzile futhi iqinile.Ingcindezi ezindlekweni isenkulu, futhi umkhawulo wenzuzo wendlela ye-chlorohydrin ...Funda kabanzi -
I-CHINA Ithekelisa FUTHI Ithekelisa EZINYE IZIPOLYOLI ZOKUTHUTHUMELA
Ama-polyether polyols aseShayina awalingani ngesakhiwo futhi ancike kakhulu ekuthengisweni kwamanye amazwe ngezinto zokusetshenziswa.Ukuze kuhlangatshezwane nesidingo sasekhaya, i-China ingenisa ngaphandle ama-polyethers ekhwalithi ephezulu kubahlinzeki bangaphandle.Isitshalo sikaDow eSaudi Arabia kanye neShell eSingapore kuseyimithombo yokungenisa eyinhloko ye-polyethe...Funda kabanzi -
Izingxenye zokubumba ze-polyurethane
Igwebu le-polyurethane kufanele libe nokuqina noma libe nokuguquguquka kuye ngokuthi izicelo zalo zizoba yini.Ukuguquguquka kwalokhu okubalulekile kuyivumela ukuthi ivumelane nezidingo zezimboni kuyo yonke imikhakha futhi ibe khona ekuphileni kwansuku zonke ukuze inikeze ukunethezeka nokuvikelwa.1, I-pol eqinile futhi eguquguqukayo ...Funda kabanzi -
Ama-Polyols
Izinto ezinobuningi bamaqembu e-hydroxyl zibizwa ngokuthi ama-spolyols.Angase futhi aqukathe i-ester, i-ether, i-amide, i-acrylic, insimbi, i-metalloid nokunye ukusebenza, kanye namaqembu e-hydroxyl.Ama-polyester polyols (PEP) aqukethe ama-ester nama-hydroxylic amaqembu kumgogodla owodwa.Ngokuvamile ziyi-p...Funda kabanzi
